10:47 AM EDT Tuesday 24 June 2014
Severe thunderstorm watch in effect for:
Barrie - Collingwood - Hillsdale
Midland - Coldwater - Orr Lake
Orillia - Lagoon City - Washago
Severe thunderstorm conditions possible - early afternoon to late evening.
Conditions are favourable for the development of severe thunderstorms that may be capable of producing heavy rain.
Fast moving water across a road can sweep a vehicle away. Hail and strong wind gusts are also possible. Remember, severe thunderstorms can produce tornadoes. Be prepared for severe weather. Take cover immediately, if threatening weather approaches. In Canada, lightning kills up to 10 people every year. Remember, when thunder roars, go indoors.
Emergency Management Ontario recommends that you take cover immediately, if threatening weather approaches.
Environment Canada meteorologists will update alerts as required, so stay tuned to your local media or Weatheradio. Email reports of severe weather to storm.ontario@ec.gc.ca or tweet with the hashtag #ONStorm.
For more information:
http://www.emergencymanagementontario.ca/english/beprepared/beprepared.html.

interesting wind patterns down by clinton, lots of shear along the leading edge of the storms and some decent rotation inward, this could bring a warning if it keeps getting stronger, also one of the embeded rotating cells has an estimated top of 31,000 ft.

3:38 PM EDT Tuesday 24 June 2014
Severe thunderstorm warning in effect for:
Barrie - Collingwood - Hillsdale
Updated or ended by 5:37 p.m. EDT.
At 3:38 p.m. EDT, Environment Canada meteorologists are tracking a cluster of severe thunderstorms capable of producing strong wind gusts and heavy rain.
These thunderstorms are currently in an area extending from south of Shelbourne northeastward to Lake Simcoe and are moving northeastward at about 50 km/h. Communities that are affected by more than one thunderstorm could receive in excess of 50 mm of rainfall. Some of these thunderstorms may also be capable of producing wind gusts to 90 km/h.
Take cover immediately, if threatening weather approaches. Fast moving water across a road can sweep a vehicle away. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Large hail can damage property and cause injury. Remember, severe thunderstorms can produce tornadoes. Go indoors and move away from windows and skylights. Avoid areas of the building that could be affected by falling debris such as tree limbs. Avoid driving through water on roads. Watch for possible washouts near rivers, creeks and culverts. In Canada, lightning kills up to 10 people every year. Remember, when thunder roars, go indoors.
Emergency Management Ontario recommends that you take cover immediately, if threatening weather approaches.
Environment Canada meteorologists will update alerts as required, so stay tuned to your local media or Weatheradio. Email reports of severe weather to storm.ontario@ec.gc.ca or tweet with the hashtag #ONStorm.
Warnings
3:38 PM EDT Tuesday 24 June 2014
Severe thunderstorm warning in effect for:
Innisfil - New Tecumseth - Angus
Orangeville - Grand Valley - Southern Dufferin County
Shelburne - Mansfield - Northern Dufferin County
Updated or ended by 5:37 p.m. EDT.
At 3:38 p.m. EDT, Environment Canada meteorologists are tracking a cluster of severe thunderstorms capable of producing strong wind gusts and heavy rain.
These thunderstorms are currently in an area extending from south of Shelbourne northeastward to Lake Simcoe and are moving northeastward at about 50 km/h. Communities that are affected by more than one thunderstorm could receive in excess of 50 mm of rainfall. Some of these thunderstorms may also be capable of producing wind gusts to 90 km/h.
Take cover immediately, if threatening weather approaches. Fast moving water across a road can sweep a vehicle away. Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Large hail can damage property and cause injury. Remember, severe thunderstorms can produce tornadoes. Go indoors and move away from windows and skylights. Avoid areas of the building that could be affected by falling debris such as tree limbs. Avoid driving through water on roads. Watch for possible washouts near rivers, creeks and culverts. In Canada, lightning kills up to 10 people every year. Remember, when thunder roars, go indoors.
Emergency Management Ontario recommends that you take cover immediately, if threatening weather approaches.
Environment Canada meteorologists will update alerts as required, so stay tuned to your local media or Weatheradio. Email reports of severe weather to storm.ontario@ec.gc.ca or tweet with the hashtag #ONStorm.
For more information:
http://www.emergencymanagementontario.ca/english/beprepared/beprepared.html.

Also check out the differential in wind speeds on the gust front on the storm near shelbourne, there was also an embeded hook that was completely rain wrapped.

AWCN11 CWTO 250844
UPDATED WEATHER SUMMARY FOR SOUTHERN ONTARIO AND THE
NATIONAL CAPITAL REGION ISSUED BY ENVIRONMENT CANADA
AT 4:44 A.M. EDT WEDNESDAY 25 JUNE 2014.
FIFTH TORNADO OF THE SEASON CONFIRMED FROM JUNE 24 STORMS.
A CLUSTER OF STRONG TO SEVERE THUNDERSTORMS DEVELOPED TUESDAY
AFTERNOON AHEAD OF OF A COLD FRONT. A TORNADO HAS BEEN CONFIRMED
FROM THIS EVENT. IT OCCURRED IN THE NEW TECUMSETH AREA EAST OF
TOTTENHAM AROUND 3:30 PM.
SURVEY TEAMS HAVE RATED THIS TORNADO AS A ENHANCED FUJITA SCALE 1
(EF1) EVENT WITH MAXIMUM WINDS BETWEEN 135 AND 175 KM/H. PRELIMINARY
INVESTIGATION SUGGESTS THAT THE TORNADO HAD A PATH LENGTH OF AT LEAST
10 KILOMETRES. FURTHER INVESTIGATION WILL BE CONDUCTED TODAY.
THE FOLLOWING IS A SUMMARY OF DAMAGE INFORMATION RELATED TO THE
TORNADO.
LOCATION EVENT
NEW TECUMSETH HOUSE WITH GARAGE AND ROOF DAMAGE.
NEW TECUMSETH TREES DAMAGED
NEW TECUMSETH DEBRIS TOSSED, RIDING STABLE DAMAGED
PLEASE NOTE THAT THIS SUMMARY MAY CONTAIN PRELIMINARY OR UNOFFICIAL
INFORMATION AND DOES NOT CONSTITUTE A COMPLETE OR FINAL REPORT.
END/OSPC

Good call tice, you nailed that radar at approx. time and place of the tornado. Thanks

__________________
Thorold, Ontario
There is little chance that meteorologists can solve the mysteries of weather until they gain an understanding of the mutual attraction of rain and weekends. ~Arnot Sheppard